Research Article
Size Effect on the Rheological Shear Mechanical Behaviors of Different Joints: A Numerical Study
Table 1
Mesoscopic parameters of the numerical model.
| | Category | Microparameter (unit) | Value |
| | Particle | Density (kg/m3) | 2500 | | Radius (mm) | 0.48-0.9 | | f | 5.0 | | Krat (kn/ks) | 0.5 | | Porosity | 0.16 | | Emod (109) | 0.425 | | Flat-joint contact model | fj_ten (106) | 4.10 | | fj_coh (106) | 20.8 | | fj_fa (。) | 58.47 | | fj_n | 4 | | Burger contact model | bur_ knm (109) | 0.06 | | bur_ ksm (109) | 0.06 | | bur_ cnm (109) | 12.4 | | bur_ csm (109) | 12.4 | | bur_ knk (109) | 1.6 | | bur_ ksk (109) | 1.6 | | bur_ cnk (109) | 13.1 | | bur_ csk (109) | 13.1 | | bur_ fs | 0.6 |
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